Writing instrument



FIG. 1 is a front elevational view of a writing instrument showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a right front perspective view;

FIG. 8 is a front elevational view in an exploded condition;

FIG. 9 is a rear elevational view of FIG. 8;

FIG. 10 is a right side elevational view of FIG. 8;

FIG. 11 is a left side elevational view of FIG. 8; and,

FIG. 12 is a front elevational view with the cap member shown in a stored position and the writing tip exposed. 

The ornamental design for a writing instrument, as shown and described. 